Finding the Fourth Proportional to 33,104,791.12, 45,684,611.76 and 18,421,403.26
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Solution
The fourth proportional to 33,104,791.12, 45,684,611.76 and 18,421,403.26 is: 25,421,536.51
Step by Step Solution
- Step 1: Write the proportion equation
33,104,791.12 : 45,684,611.76 = 18,421,403.26 : x - Step 2: Convert to fraction form
33,104,791.12/45,684,611.76 = 18,421,403.26/x - Step 3: Cross multiply
33,104,791.12x = 45,684,611.76 × 18,421,403.26 - Step 4: Simplify right side
33,104,791.12x = 841,574,656,007,498.38 - Step 5: Solve for x
x = 841,574,656,007,498.38/33,104,791.12 - Step 6: Final answer
x = 25,421,536.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.